In general there are two steps that should be followed before lubricating hinges and locks.
Bmw door latch grease.
It will heat for maybe 30sec then shut off.
An essential part of general car maintenance is caring for the car door locks they are perhaps the most neglected part of the vehicle yet they are susceptible to various problems including rusting and jamming if they re not tended to in order to clean the lock or to lubricate it you need to access the interior of the locking interface which is a bit tedious.
First clean the keyhole with a penetrating lubricant like wd 40.
Many people put up with the aggravation of a sticking door lock for years.
Lubricate car door latch.
The latch itself is pretty reliable however having the electronic lock solenoid integrated in the latch creates some problems.
Ironically by cleaning and oiling them you can fix most locks in a matter of minutes.
If so squirt the hinges with wd 40 to free them and move the door several times to work in.
The door catch needs to be dried then cleaned and lubed as well.
I use wd40 here to remove water then clean then triflo to lube.
The material of your door lock or hinge will determine the type of lubricants or cleaners that should be used to maintain them.
Fixing a few stubborn locks might involve disassembling cleaning and then reassembling the lock.
Forcing open a stuck door latch from an internal failure on a bmw with it stuck in double lock.
I replaced my passenger door lock actuator.
White lithium grease offers the ideal lubrication for car door hinges and you ll certainly be pleased with its enduring results.
I have been having a hard time opening the drivers door lately the latch on the door is very stiff.
When door is locked and lock is frozen hold the door handle up about 3 4 seconds not 30.
These two 8 ounce tubes will last you a while so for just 13.
The door lock heater is explained in your owners manual.
White lithium grease and silicone spray.
The door handle lifts fine but the plate that looks like two fingers and captures the pin sticking out of the b piller is very stiff when rotating so that i have to tug pretty hard to get the door open.
Lubricate nonmetallic latches like a car door latch mechanism with silicone spray.
First clean the hinge or lock with a recommended solvent or an all in one lubricant such as a penetrating fluid like wd 40.